Description: Fix 'existant' typo, replace with 'existent'.
Author: Bas Couwenberg <sebastic@debian.org>
Forwarded: https://trac.osgeo.org/gdal/ticket/6074

--- a/frmts/envisat/EnvisatFile.c
+++ b/frmts/envisat/EnvisatFile.c
@@ -1386,7 +1386,7 @@ int EnvisatFile_ReadDatasetChunk( Envisa
 {
     if( ds_index < 0 || ds_index >= self->ds_count )
     {
-        SendError( "Attempt to read non-existant dataset in "
+        SendError( "Attempt to read non-existent dataset in "
                    "EnvisatFile_ReadDatasetChunk()" );
         return FAILURE;
     }
@@ -1451,7 +1451,7 @@ int EnvisatFile_WriteDatasetRecord( Envi
 
     if( ds_index < 0 || ds_index >= self->ds_count )
     {
-        SendError( "Attempt to write non-existant dataset in "
+        SendError( "Attempt to write non-existent dataset in "
                    "EnvisatFile_WriteDatasetRecord()" );
         return FAILURE;
     }
@@ -1568,7 +1568,7 @@ int EnvisatFile_ReadDatasetRecordChunk(
 
     if( ds_index < 0 || ds_index >= self->ds_count )
     {
-        SendError( "Attempt to read non-existant dataset in "
+        SendError( "Attempt to read non-existent dataset in "
                    "EnvisatFile_ReadDatasetRecordChunk()" );
         return FAILURE;
     }
--- a/frmts/pcidsk/sdk/channel/cpcidskchannel.cpp
+++ b/frmts/pcidsk/sdk/channel/cpcidskchannel.cpp
@@ -200,7 +200,7 @@ PCIDSKChannel *CPCIDSKChannel::GetOvervi
     EstablishOverviewInfo();
 
     if( overview_index < 0 || overview_index >= (int) overview_infos.size() )
-        ThrowPCIDSKException( "Non existant overview (%d) requested.", 
+        ThrowPCIDSKException( "Non existent overview (%d) requested.", 
                               overview_index );
 
     if( overview_bands[overview_index] == NULL )
@@ -231,7 +231,7 @@ bool CPCIDSKChannel::IsOverviewValid( in
     EstablishOverviewInfo();
 
     if( overview_index < 0 || overview_index >= (int) overview_infos.size() )
-        ThrowPCIDSKException( "Non existant overview (%d) requested.", 
+        ThrowPCIDSKException( "Non existent overview (%d) requested.", 
                               overview_index );
 
     int sis_id, validity=0;
@@ -252,7 +252,7 @@ std::string CPCIDSKChannel::GetOverviewR
     EstablishOverviewInfo();
 
     if( overview_index < 0 || overview_index >= (int) overview_infos.size() )
-        ThrowPCIDSKException( "Non existant overview (%d) requested.", 
+        ThrowPCIDSKException( "Non existent overview (%d) requested.", 
                               overview_index );
 
     int sis_id, validity=0;
@@ -275,7 +275,7 @@ void CPCIDSKChannel::SetOverviewValidity
     EstablishOverviewInfo();
 
     if( overview_index < 0 || overview_index >= (int) overview_infos.size() )
-        ThrowPCIDSKException( "Non existant overview (%d) requested.", 
+        ThrowPCIDSKException( "Non existent overview (%d) requested.", 
                               overview_index );
 
     int sis_id, validity=0;
--- a/frmts/pcidsk/sdk/channel/ctiledchannel.cpp
+++ b/frmts/pcidsk/sdk/channel/ctiledchannel.cpp
@@ -359,7 +359,7 @@ int CTiledChannel::ReadBlock( int block_
 
     if( block_index < 0 || block_index >= tile_count )
     {
-        ThrowPCIDSKException( "Requested non-existant block (%d)", 
+        ThrowPCIDSKException( "Requested non-existent block (%d)", 
                               block_index );
     }
 
@@ -517,7 +517,7 @@ int CTiledChannel::WriteBlock( int block
 
     if( block_index < 0 || block_index >= tile_count )
     {
-        ThrowPCIDSKException( "Requested non-existant block (%d)", 
+        ThrowPCIDSKException( "Requested non-existent block (%d)", 
                               block_index );
     }
 
--- a/frmts/pcidsk/sdk/segment/cpcidskbitmap.cpp
+++ b/frmts/pcidsk/sdk/segment/cpcidskbitmap.cpp
@@ -238,7 +238,7 @@ int CPCIDSKBitmap::ReadBlock( int block_
 
     if( block_index < 0 || block_index >= GetBlockCount() )
     {
-        ThrowPCIDSKException( "Requested non-existant block (%d)", 
+        ThrowPCIDSKException( "Requested non-existent block (%d)", 
                               block_index );
     }
 /* -------------------------------------------------------------------- */
@@ -343,7 +343,7 @@ int CPCIDSKBitmap::GetOverviewCount()
 PCIDSKChannel *CPCIDSKBitmap::GetOverview( CPL_UNUSED int i )
 {
     // The %d is ignored in the exception.
-    ThrowPCIDSKException("Non-existant overview %d requested on bitmap segment.");
+    ThrowPCIDSKException("Non-existent overview %d requested on bitmap segment.");
     return NULL;
 }
 
